Question

solve this NCERT 12th class ,

Relation and function question .

Question is in attachment .! .​

Answer 1

Hii

Step-by-step explanation:

Solution is in this picture .

Hope it's helpful!!

Answer 2

Step-by-step explanation:

Given that,f(x) = x2 + 3x + 1,g(x) = 2x - 3

(i) fog

= f(g(x))

= f(2x-3)

= (2x - 3)² + 3(2x - 3) + 1

= 4x² - 12x + 9 + 6x - 9 + 1

= 4x² - 6x + 1

(ii) gof

g(f(x)

= g(x² + 3x + 1)

= 2(x² + 3x + 1) - 3

= 2x² + 6x - 1

Hope it helps!